True overcoming of the ego is where it doesn't even bother you if things have meaning or not, since there is no separation between your body and the rest of the world. True overcoming of ego is indistriguishable from true giving-in to ego. Is the ultimate act of letting go.
After this you can choose to raise kids, choose to pursue a career in tech and a hobby in arts. Just because it won't matter you will do it, because now you can choose meaning if you wish. Just because it doesn't matter it does matter. You become the creator.
I can't tell you how you go about your pursuit of freedom, or the pursuit of what it means to live free.
I can tell you what it means to me. I'm free when I can choose everyday to pursue what it means to live free. I'm also free when I choose the limitations in this pursuit, because I don't want the anxiety of the hyperpositive when everything is possible. I'm also free when I consider the other, my kin and when I choose to serve them. I'm also free when I ask for strength to change the things in my life that I can, and for wisdom to accept those things I can't change.
Wish you luck in your journey.
Maybe it's clearer in the form of a question: how are you completely sure you are NOT enlightened if you don't know what it is to be enlightened?
Someone kicks you in the shin, it causes pain. If it triggers a whole internal loop of fear and worry and anger and revenge and trauma and suffering, then you've hit upon your ego which you're unable to let go of. If your internal experience isn't sticky, then before you know it, the pain has dissipated and you're on to whatever the next present moment brings.
That internal loop is what there is to "fix".
Brilliant!
And this is why there is nothing to fix, because it doesn't change anything external. If it doesn't change anything external, if it's only an internal loop, it's the same as the ascetic attitude that Nietzsche describes. You can beat yourself until you're in line with your expectations for your ego, or you change your whole relationship with yourself, more accepting of your flaws and more trusting that you are able to overcome this internal loop eventually, but not today.
Thinking about continuing humanity is a coping strategy and I can assure you it's more effective than HN rationality when my kid is screaming about their cheerios etc